Classification of the ecological status of volcanic lakes in Central Italy

Margaritora, Fiorenza G.; Bazzanti, Marcello; Ferrara, Ornella; Mastrantuono, Luciana; Seminara, Marco; Vagaggini, Daria

doi:10.4081/jlimnol.2003.s1.49

Cited by 27 publications

(26 citation statements)

References 33 publications

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“…A temperature gradient of over 0.5 °C m -1 (observed from March-April to November or December) was enough to maintain a distinctive metalimnion (compare, Alcocer et al 2000). Similar warm-monomictic behaviour was found both in the region (e.g., Lake Atexcac, Puebla, Mexico; Macek et al 1994) and at other latitudes and/or altitudes, e.g., in the Italian crater Lake Martignano (Margaritora et al 2003) with similar morphometric characteristics.…”

Section: The Lake Stratificationmentioning

confidence: 67%

Long term picoplankton dynamics in a warm-monomictic, tropical high altitude lake

Macek¹,

Alcocer²,

Vázquez³

et al. 2009

J Limnol

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Section: The Lake Stratificationmentioning

confidence: 67%

Long term picoplankton dynamics in a warm-monomictic, tropical high altitude lake

Macek¹,

Alcocer²,

Vázquez³

et al. 2009

J Limnol

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“…It discharges the treated waters directly into the Arrone river. The water quality parameters during the last decade showed good nutrient status (Pagnotta et al, 2002) and the lake was recently classified as oligo-mesotrophic (Margaritora et al, 2003).…”

Section: Study Areamentioning

confidence: 98%

Plant-associated invertebrates and hydrological balance in the large volcanic Lake Bracciano (Central Italy) during two years with different water levels

et al. 2008

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Lakes in the Mediterranean region experience an altered hydrological balance with large water level reductions and/or fluctuations within and between years. To date, little is known about the reaction of invertebrate assemblages inhabiting the littoral zone to water level changes in natural lakes. Here, we present the case of the volcanic Lake Bracciano, one of the largest and deepest Italian lakes. We compared the numerical composition and taxonomic richness of plant-associated invertebrate assemblages sampled from three sites and three depth ranges (0-4 m, 4-8 m and 8-15 m) between years with different water levels. Using historical data, we built a hydrological balance model to assess the role of different water budget components on the water levels. The hydrological balance showed that the volume of water currently abstracted for human use exceeds the potential changes caused by the projected warming of climate and decreasing amount of precipitation by nearly an order of magnitude. In a low water level year, littoral macrophytes and invertebrate assemblages exhibited qualitative and quantitative differences at all sampling sites and depths. The invertebrate assemblage showed a reduced taxonomic richness and lower numerical abundance of the more sessile forms (water mites, gastropods, nematodes, naidid oligochaetes), which feed directly on living plants or epiphytic algae, and an increase of more mobile and/or detritivore taxa

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“…As strong depth gradient for POM, DOM and nutrients along the reservoir Mantovo does not exist, it is reasonable why these highly eutrophic species (Milbrink 1994;Margaritora et al 2003) show almost homogenous distribution in Mantovo Reservoir up to its central part.…”

Section: Dynamics Of the Limnological Characteristicsmentioning

confidence: 99%

Factors affecting distribution pattern of dominant macroinvertebrates in Mantovo Reservoir (Republic of Macedonia)

Slavevska-Stamenković¹,

Paunović

Smiljkov³

et al. 2012

Biologia

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Abstract:In the present study, we analysed spatial and temporal heterogeneity of the limnological characteristics to provide more detailed information about the processes taking place within Mantovo Reservoir (Republic of Macedonia). The relationship between principal macroinvertebrate species and environmental variables was analysed in order to explore factors that dominantly affect community distribution pattern. Unlike the most reservoirs, strong longitudinal gradient for suspended organic matter and nutrients (total phosphorous, nitrates and nitrites) along the reservoir doesn't exist. However, the process of thermal stratification has a strong influence on the metabolism and structure of the Mantovo ecosystem, which can be demonstrated by the vertical and longitudinal distribution of dissolved oxygen (DO), CO2, pH and metals concentrations. Canonical Correspondence Analysis (CCA) indicated that the main factors controlling spatial distribution of Limnodrilus hoffmeisteri and Chironomus plumosus group were temperature, dissolved oxygen and manganese, including sulphates for C. plumous group. Chaoborus crystallinus showed opposite distribution pattern. Cladotanytarsus mancus group was strongly associated with shallower part (littoral and sublittoral) of Mantovo Reservoir characterized by favourable oxygen condition. None of the environmental variables included in CCA showed any relationship with density of Procladius sp.

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Classification of the ecological status of volcanic lakes in Central Italy

Abstract: A

Cited by 27 publications

References 33 publications

Long term picoplankton dynamics in a warm-monomictic, tropical high altitude lake

Long term picoplankton dynamics in a warm-monomictic, tropical high altitude lake

Plant-associated invertebrates and hydrological balance in the large volcanic Lake Bracciano (Central Italy) during two years with different water levels

Factors affecting distribution pattern of dominant macroinvertebrates in Mantovo Reservoir (Republic of Macedonia)

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